2015年7月21日
2015 多校赛 第一场 1002 (hdu 5289)
摘要： DescriptionTom owns a company and he is the boss. There are n staffs which are numbered from 1 to n in this company, and every staff has a ability. No... 阅读全文
posted @ 2015-07-21 21:17 轶辰 阅读(657) 评论(0) 推荐(0)
2015 多校赛 第一场 1001 (hdu 5288)
摘要： DescriptionOO has got a array A of size n ,defined a function f(l,r) represent the number of i (li) satisfy aimod aj=0,now OO want to know [∑i=1n ∑j=i... 阅读全文
posted @ 2015-07-21 18:54 轶辰 阅读(167) 评论(0) 推荐(0)